How do you clean a cast iron skillet?
Clean the skillet: Wash the skillet by hand using hot water and a sponge or stiff brush. Avoid using the dishwasher, soap, or steel wool, as these may strip the pan’s seasoning. Scrub off stuck-on bits: To remove stuck-on food, scrub the pan with a paste of coarse kosher salt and water
Do you need to clean a cast iron skillet?
But you don’t need soap. Many cast iron purists simply wipe their pan clean after cooking instead of exposing the pan to water and harsh scrub brushes. But for those of us who’d prefer a cleaner cast iron skillet, oil and kosher salt are more effective than soap and a sponge will ever be.